sessions.h

   1 #ifndef __RLS_SESSIONS__
   2 #define __RLS_SESSIONS__
   3
   4 #include <time.h>
   5 #include <pthread.h>
   6 #include "users.h"
   7 #include "games.h"
   8
   9 struct vt100;
  10
  11 typedef struct session_info
  12 {
  13         int child_pid;                  // or 0
  14         int socket;
  15         int user_id;                    // or -1
  16         char user_name[USER_NAME_LEN];
  17         char game[GAME_NAME_LEN];
  18         time_t last_activity;           // to display idle time
  19
  20         int term_wid, term_hgt;         // terminal size
  21         struct vt100 *term;
  22         int pty_master;                 // forked processes should close this
  23
  24         int observer_count;             // prohibit observing if -1
  25         int *observers;                 // array of sockets
  26
  27         pthread_mutex_t mutex;          // used to lock one session only
  28
  29         // for the current game, not for the whole session
  30         struct
  31         {
  32                 time_t start_time;              // when the game was started
  33                 int bytes_in, bytes_out;        // not including observers
  34         } game_stat;
  35
  36         struct session_info *prev, *next;
  37 } session_info;
  38
  39
  40 session_info* add_session (int sock);
  41 // remove session from the list, socket and master_pty are not closed
  42 // socket is removed from observers of all other sessions
  43 void remove_session (session_info *sess);
  44
  45 // check if user is already logged in
  46 int user_is_connected (int id);
  47
  48 int add_observer (int n, int sock);
  49 void stop_observing (session_info *sess);
  50
  51 // send SIGTERM to all running games
  52 void terminate_games (void);
  53
  54 // NB! not protected by mutex
  55 void close_sessions (void);
  56 // NB! not protected by mutex
  57 void release_sessions (void);
  58
  59 #endif